How to Swim (1918), pp. 47–48
        “THIS BEACH NOT SAFE FOR SWIMMING
NOT Drinking Water
UNFIT FOR HUMAN CONSUMPTION
Now Wash Your Hands
(Penalty for noncompliance $50)
FILTERMASK DISPENSER
Use product once only—maximum 1 hour
OXYGEN
25¢”
    
    
    
            December “SIGNS OF THE TIMES“ 
The Sheep Look Up (1972)
        
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John Brunner 147
British author 1934–1995Related quotes
To Natural Resources Defense Council lawyer Erik Olson, June 1, 1995 Today. Real Video http://www.mediaresearch.org/rm/projects/99/gumbel7/segment1.ram
                                
                                    “Seem'd washing his hands with invisible soap
In imperceptible water.”
                                
                                
                                
                                
                            
                                        
                                         Miss Kilmansegg and Her Precious Leg. Her Christening http://www.gerald-massey.org.uk/eop_hood_poetical_works_3.htm#115, st. 10 (1841-1843). 
1840s
                                    
                                        
                                        Preface 
1940s, The Economics of Peace, 1945
                                    
Source: How to Pay for the War (1940), Ch. 3 : Our Output Capacity and the National Income
“…when you swim from England to France you’ve got to leave your doubt on the beach at Dover.”
                                        
                                        p 11 
21 Yaks And A Speedo (2013)
                                    
"Meat Makes the Planet Thirsty", in The New York Times (7 March 2014) https://www.nytimes.com/2014/03/08/opinion/meat-makes-the-planet-thirsty.html.